which component is a literal in the following select statement select emp..., Oracle SQL 9i, Databases

Question:Which component is a literal in the following select statement?
Select 'Emp name :'||ename from emp where deptno=20;

A ename 
B 20 
C Emp name: 
D ||

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+ AnswerB C

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Question:Which component is a literal in the following select statement? Select 'Emp name :'||ename from emp where deptno=20;